PC World 1998 October/PCWorld_1998-10_cd.bin/software/prehled/inprise/JSAMPLES.Z/MetalworksDocumentFrame.java

Java Source | 1998-05-08 | 4.9 KB | 175 lines

/*
 * @(#)MetalworksDocumentFrame.java    1.2 98/02/05
 *
 * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 *
 */

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import com.sun.java.swing.*;
import com.sun.java.swing.border.*;


/**
  * This is a subclass of JInternalFrame which displays documents.
  *
  * @version 1.2 02/05/98
  * @author Steve Wilson
  */
public class MetalworksDocumentFrame extends JInternalFrame {

    static int openFrameCount = 0;
    static final int offset = 30;

    public MetalworksDocumentFrame() {
    super("", true, true, true, true);
    openFrameCount++;
        setTitle("Untitled Message " + openFrameCount);

    JPanel top = new JPanel();
    top.setBorder(new EmptyBorder(10, 10, 10, 10));
    top.setLayout(new BorderLayout());
    top.add(buildAddressPanel(), BorderLayout.NORTH);

    JTextArea content = new JTextArea( 15, 50 );
    content.setBorder( new EmptyBorder(0,5 ,0, 5) );
    content.setLineWrap(true);



    JScrollPane textScroller = new JScrollPane(content,
                           JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
                           JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED );
    top.add( textScroller, BorderLayout.CENTER);


    setContentPane(top);
    pack();
    setLocation( offset * openFrameCount, offset *openFrameCount);

    }

    private JPanel buildAddressPanel() {
        JPanel p = new JPanel();
    p.setLayout( new LabeledPairLayout() );


    JLabel toLabel = new JLabel("To: ", JLabel.RIGHT);
    JTextField toField = new JTextField(25);
    p.add(toLabel, "label");
    p.add(toField, "field");


    JLabel subLabel = new JLabel("Subj: ", JLabel.RIGHT);
    JTextField subField = new JTextField(25);
    p.add(subLabel, "label");
    p.add(subField, "field");


    JLabel ccLabel = new JLabel("cc: ", JLabel.RIGHT);
    JTextField ccField = new JTextField(25);
    p.add(ccLabel, "label");
    p.add(ccField, "field");

    return p;

    }

    class LabeledPairLayout implements LayoutManager {

      Vector labels = new Vector();
      Vector fields = new Vector();

      int yGap = 2;
      int xGap = 2;

      public void addLayoutComponent(String s, Component c) {
      if (s.equals("label")) {
          labels.addElement(c);
      }  else {
          fields.addElement(c);
      }
      }

      public void layoutContainer(Container c) {
      Insets insets = c.getInsets();

      int labelWidth = 0;
      Enumeration labelIter = labels.elements();
      while(labelIter.hasMoreElements()) {
          JComponent comp = (JComponent)labelIter.nextElement();
          labelWidth = Math.max( labelWidth, comp.getPreferredSize().width );
      }

      int yPos = insets.top;

      Enumeration fieldIter = fields.elements();
      labelIter = labels.elements();
      while(labelIter.hasMoreElements() && fieldIter.hasMoreElements()) {
          JComponent label = (JComponent)labelIter.nextElement();
          JComponent field = (JComponent)fieldIter.nextElement();
          int height = Math.max(label.getPreferredSize().height, field.getPreferredSize().height);
          label.setBounds( insets.left, yPos, labelWidth, height );
          field.setBounds( insets.left + labelWidth + xGap,
                 yPos,
                 c.getSize().width - (labelWidth +xGap + insets.left + insets.right),
                 height );
          yPos += (height + yGap);
      }

      }


      public Dimension minimumLayoutSize(Container c) {
      Insets insets = c.getInsets();

      int labelWidth = 0;
      Enumeration labelIter = labels.elements();
      while(labelIter.hasMoreElements()) {
          JComponent comp = (JComponent)labelIter.nextElement();
          labelWidth = Math.max( labelWidth, comp.getPreferredSize().width );
      }

      int yPos = insets.top;

      labelIter = labels.elements();
      Enumeration fieldIter = fields.elements();
      while(labelIter.hasMoreElements() && fieldIter.hasMoreElements()) {
          JComponent label = (JComponent)labelIter.nextElement();
          JComponent field = (JComponent)fieldIter.nextElement();
          int height = Math.max(label.getPreferredSize().height, field.getPreferredSize().height);
          yPos += (height + yGap);
      }
      return new Dimension( labelWidth * 3 , yPos );
      }

      public Dimension preferredLayoutSize(Container c) {
      Dimension d = minimumLayoutSize(c);
      d.width *= 2;
          return d;
      }

      public void removeLayoutComponent(Component c) {}

}


}